<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>圆角属性</title>
    <style type="text/css">
        #neirong{
            height: 35px;
            width: 500px;
            margin-right: -10px;
            border: 1px darkgrey solid;
            /*
             上右下左
             */
            border-radius: 10px 0px 0px 10px;
        }
        #sousuo{

            height: 35px;
            border-radius: 0px 10px 10px 0px;
        }
        #div1 {
            width: 300px;
            height: 300px;
            background-color: red;
            border-radius: 50% 50% 50% 50%;
        }

        #div2 {
            width: 600px;
            height: 300px;
            background-color: blue;
            border-radius: 50% 50% 50% 50%;
        }

        #div3 {
            width: 300px;
            height: 600px;
            background-color: blue;
            border-radius:  100% 0% 0% 100%/50%;
            box-shadow: 10px 10px;
        }
    </style>
</head>
<body>


    <input type="text" name="aaaaaa" id="neirong">
    <input type="text" name="aaaaaa" id="sousuo" value="百度搜病,癌症起步">

    <br>

    <div id="div1">

    </div>


    <div id="div2">

    </div>

    <div id="div3">

    </div>
</body>
</html>